Home / 34,785.50-48,004.85-19,677.42

Finding the Fourth Proportional to 34,785.50, 48,004.85 and 19,677.42

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Solution

The fourth proportional to 34,785.50, 48,004.85 and 19,677.42 is: 27,155.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,785.50 : 48,004.85 = 19,677.42 : x
  2. Step 2: Convert to fraction form
    34,785.50/48,004.85 = 19,677.42/x
  3. Step 3: Cross multiply
    34,785.50x = 48,004.85 × 19,677.42
  4. Step 4: Simplify right side
    34,785.50x = 944,611,595.49
  5. Step 5: Solve for x
    x = 944,611,595.49/34,785.50
  6. Step 6: Final answer
    x = 27,155.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.